Now feed screw with sever root damage, heavy scoring and abundant pitting can be sectored to original tolerances and finishes. We can also reclaim worn screws that were rebuilt several times or subjected to improper polishing during rebuilding. Part or all of the root diameter areas can be coated.

Korgard, our most popular repair alloy, is also chrome platable. Root coatings for use under extreme abrasive and corrosive conditions are also available. Standard screw base material ex. 4140 often lacks the properties for substantial longevity in these situations.

Listed below are a few of these coatings with comparative property data.